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How to Grow a Greenhouse Vegetable Garden

Contributor
By Margaret Telsch-Williams
eHow Contributing Writer
(2 Ratings)

The advantage of a greenhouse vegetable garden is that you don't have to rely on the natural season of your area to grow a beautiful harvest. With a greenhouse you control the water, timing, humidity and the temperature. The only limitation with a greenhouse is the amount of space you have, however with a few sets of shelves, suddenly the garden can multiply beyond the dimensions of the ground the greenhouse sits on and provide ample space for all the vegetables you wish to grow.

Difficulty: Moderate
Instructions

Things You'll Need:

  • Greenhouse
  • Pots and seed trays
  • Vegetable seeds and plants
  • Water supply, hose or watering can
  • Gardening supplies (gloves, trowel and spade)
  1. Step 1

    Make a list to plan which vegetables you want to grow or feel you can grow in your greenhouse. Keep the size of your family and the foods they will consume in mind when choosing your vegetables. A bounty of beans won't be worth the effort and space if no one in the family will eat them.

  2. Step 2

    Arrange the plants in your greenhouse with consideration of how tall different plants will get. Tomato plants will need to sit on the floor while lettuce and spinach can be grown on a higher shelf. Unlike the limitless sky, greenhouses have ceilings and should be considered when arranging the plants.

  3. Step 3

    Care for your plants regularly. Consistent watering will keep your plants producing nicely. Don't over water, but also, don't allow your plants to dry out either. In a greenhouse, your plants depend on you and you alone since no rain water will reach them.

  4. Step 4

    Check for disease, fungus and destructive insects on a regular basis. A simple walk through the greenhouse daily can prevent the spread of mass infections and infestations. Any plants that start to show signs of infection may need to be separated from the greenhouse and possibly destroyed.

  5. Step 5

    Harvest your vegetables when they are ready. Some plants, such as beans, tomatoes, peppers and spinach can be continually picked throughout the season while others, like onions and carrots are picked once and then finished. Without the concern of frost, the greenhouse will allow those constant producers a longer season.

Tips & Warnings
  • The beauty of the greenhouse is that the season is extended for the continually producing vegetables. Take advantage of this by starting earlier and finishing later than your neighboring outdoor gardeners.
  • Don't allow too much time to elapse without watering. Plants can dry out quickly when the only water they have is what is in their pot. If you know watering may not be occurring regularly, consider a drip system or timer which controls watering for you and keeps the plants growing.
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